Freshwater sharks are sharks able to live in freshwater lakes and rivers, including: * the river sharks, Glyphis, true freshwater sharks found in fresh and brackish water in Asia and Australia * the bull shark, Carcharhinus leucas, which can swim between salt and fresh water, and are found in tropical rivers around the world. A few number of freshwater fish cyprinids and catfish(which are bony fish and thus quite unrelated to sharks) are also commonly called "freshwater sharks", "sharkminnows" or simply "sharks", particularly in the aquarium fish trade: